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15 Possible Causes for Abnormal Head CT Scan, Olfactory Hallucination, Rarely Malignant

  • Astrocytoma of the Brain

    They are rarely malignant but can regrow quickly. For this reason, Dr Steel performs regular MRI scans every one or two years after surgery.[drtimothysteel.com.au] The pictures can show abnormal areas, such as a tumor. CT scan : An x-ray machine linked to a computer takes a series of detailed pictures of your head.[medicinenet.com] If the tumour is malignant and spreads, they rarely then spread outside of the brain to other parts of the body. Grade 3 and 4 gliomas are considered malignant tumours.[cancercanwait.com]

  • Olfactory Groove Meningioma

    They are typically benign, slow-growing tumors that have on rare occasion been known to undergo malignant transformation with metastasis.[mdmag.com] […] groove [医]溴叶沟 olfactory groove meningioma 嗅叶沟脑膜瘤 olfactory groove syndrome [医]嗅沟综合征 olfactory hair 嗅毛 olfactory hallucination [医]嗅幻觉,幻嗅 olfactory islands [医]嗅岛 olfactory[fastdict.net] Postoperative head CT scan did not show any abnormality. Cosmetic result was correct in all patients.[ajns.paans.org]

  • Malignant Glioma

    From the pathogenetic point of view, this malignant glioma is an extremely rare case that developed clinically and neuroradiologically from the cavernous sinus and was suspected[ncbi.nlm.nih.gov] Abstract BRAF V600E mutations occur frequently in malignant melanoma, but are rare in most malignant glioma subtypes.[ncbi.nlm.nih.gov] Atypical teratoid/rhabdoid tumor (AT/RT), a highly malignant brain tumor in young children, usually arises de novo and has only rarely been described as a secondary malignancy[ncbi.nlm.nih.gov]

  • Temporal Lobe Tumor

    Clinicopathologic features of recurrent dysembryoplastic neuroepithelial tumor and rare malignant transformation: A report of 5 cases and review of the literature.[surgicalneurologyint.com] hallucination’.[express.co.uk] The pictures can show abnormal areas, such as a tumor. CT scan : An x-ray machine linked to a computer takes a series of detailed pictures of your head.[medicinenet.com]

  • Brain Ependymoma

    These tumors are rarely malignant. Pleomorphic xanthoastrocytoma. These tumors are most commonly seen in teens or young adults; most are benign.[chop.edu] Other symptoms can include relative deafness, sensomotorny aphasia, a cerebellar ataxy, glazodvigatelny frustration, olfactory, acoustical and flavoring hallucinations, vegetative[medicine-for-you.com] It usually is found in children and is rarely malignant. It may cause seizures and is usually treated by surgical removal.[aans.org]

  • Herpes Simplex Encephalitis

    References 1 Anti-TNF antibody therapy in rheumatoid arthritis and the risk of serious infections and malignancies: systematic review and meta-analysis of rare harmful effects[academic.oup.com] MRI could not be performed because of the pacemaker implantation, but two CT scans of the head were normal.[clinmedjournals.org] EEG only showed nonspecific abnormality of the right temporal lobe [13].[clinmedjournals.org]

  • Brain Compression

    Their effects may resemble those of a benign or of a malignant tumour. Lymphomas such as Hodgkin disease rarely invade the brain, although they may compress it.[britannica.com] Irritation of a temporal lobe may lead to auditory or olfactory hallucinations.[britannica.com] Although direct infections of the spinal cord are rare, pyogenic or tuberculous epidural spinal abscesses are treatable diseases.[britannica.com]

  • Limbic Encephalitis

    Paraneoplastic limbic encephalitis (PLE) is a rare disorder of the nervous system associated with malignant disease.[ncbi.nlm.nih.gov] […] and gustatory hallucinations, sleep disturbances, and abnormalities in other homeostatic functions.[checkorphan.org] […] tomography/CT scan.[ncbi.nlm.nih.gov]

  • Cerebral Neoplasm

    These tumors are rarely malignant. Pleomorphic xanthoastrocytoma. These tumors are most commonly seen in teens or young adults; most are benign.[chop.edu] Case Records of the Massachusetts General Hospital May 19, 2016 Case 15-2016 — A 32-Year-Old Man with Olfactory Hallucinations and Paresthesias Ronthal M., Venna N., Hunter[nejm.org] The pictures can show abnormal areas, such as a tumor. CT scan : An x-ray machine linked to a computer takes a series of detailed pictures of your head.[medicinenet.com]

  • Syncope

    Among the rare and well-known causes of sudden cardiac death by malignant arrthymias is a condition called arrhythmogenic right ventricular cardiomyopathy.[ncbi.nlm.nih.gov] TLOC associated with déjà vu, jamais vu, sensory aura, olfactory hallucinations, preoccupation, or behavior changes suggests seizure. 28 During TLOC Syncope involves brief[circ.ahajournals.org] CT scans are expensive, and may unnecessarily expose patients to radiation.[choosingwisely.org]